<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>列表无限轮播</title>
    <style>
        /*核心css*/
        @keyframes moveup{
            0% {
                transform: translateY(0);
            }
            100% {
                transform: translateY(-100%);
            }
        }
        .box { animation: moveup 10s  linear infinite; }
        .page { overflow: hidden; }

        /*样式*/
        .page { margin-top: 200px; height: 100px; border-top: 2px solid lightblue; border-bottom: 2px solid red; }
        .box {margin: 0;}
        .box li{ line-height: 30px; }
    </style>
</head>
<body>
<div class="page">
    <ul class="box item1">
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
    </ul>
    <ul class="box item2">
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
    </ul>
</div>
</body>
</html>